<template>
    <div>
      <!--  面包屑  -->
      <el-breadcrumb separator="/">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>数据统计</el-breadcrumb-item>
        <el-breadcrumb-item>数据报表</el-breadcrumb-item>
      </el-breadcrumb>
      <!--  卡片  -->
      <el-card>
        <!-- 为 ECharts 准备一个具备大小（宽高）的 DOM -->
        <div id="main" style="width: 1000px;height:450px;"></div>
      </el-card>
    </div>
</template>

<script>
    import echarts from 'echarts';
    import _ from 'lodash';
    export default {
        name: "Report",
        data(){
            return{
                options: {
                    title: {
                        text: '用户来源'
                    },
                    tooltip: {
                        trigger: 'axis',
                        axisPointer: {
                            type: 'cross',
                            label: {
                                backgroundColor: '#E9EEF3'
                            }
                        }
                    },
                    grid: {
                        left: '3%',
                        right: '4%',
                        bottom: '3%',
                        containLabel: true
                    },
                    xAxis: [
                        {
                            boundaryGap: false
                        }
                    ],
                    yAxis: [
                        {
                            type: 'value'
                        }
                    ]
                }
            }
        },
        mounted() {
            this.$http.get('reports/type/1').then(res => {
                if (res.data.meta.status !== 200) {
                    return this.$message.error(res.data.meta.msg)
                }
                // 基于准备好的dom，初始化echarts实例
                var myChart = echarts.init(document.getElementById('main'));
                // 指定图表的配置项和数据
                const result = _.merge(res.data.data,this.options)
                // 使用刚指定的配置项和数据显示图表。
                myChart.setOption(result);
            })
        }
    }
</script>

<style lang="less" scoped>

</style>
